Sesame Street Paint with Water Book Set Cookie's Year and Elmo Imagines with Non-Toxic Tear Out Pages Each water-activated page of these fun activity books are filled with fun pictures of favorite Sesame Street friends. The kids need to just dip their paint brush in water and brush on the pages and the appropriate colors appear. Adult supervision required to cut the cut-outs on back panel of book Non-toxic tear out pages, 16 pages to color per book Conforms to ASTM F963